Perimenopause: The questions partners actually ask

Between four and eight years on average, though it can be shorter or longer. It typically begins in the mid-to-late 40s, though it can start earlier.

The defining characteristic is hormonal unpredictability rather than a steady decline. Oestrogen and progesterone fluctuate erratically rather than dropping steadily, which is why symptoms can be inconsistent — some weeks relatively manageable, others significantly more difficult. Menopause itself is defined as twelve consecutive months without a period. Everything before that point is perimenopause.

Partly. Oestrogen plays a significant role in serotonin and dopamine systems, so as it swings unpredictably, so can emotional stability. But perimenopause often coincides with significant life pressures too — and the hormonal picture and the circumstantial picture interact rather than sitting separately.

What that means for you: trying to calibrate your response to individual mood shifts is harder than responding to the overall period. Steadiness — being reliably present without being reactive to each variation — tends to be more useful than trying to identify the cause of each difficult day.

Changes to libido and physical comfort during perimenopause are common and have biological causes. Declining oestrogen affects vaginal tissue, which can make sex uncomfortable or painful. Hormonal shifts affect desire. Disrupted sleep affects everything.

None of this is permanent. Effective treatments exist — HRT, local oestrogen, and other approaches — that address these symptoms directly for many people. The most useful framing is treating this as a physiological reality rather than a relationship problem. Following her lead on pace and timing, without commentary, is what helps most.

Yes. Perimenopause typically begins between the ages of 40 and 44, but it's not uncommon to start in the late 30s. For some women it begins even earlier — premature ovarian insufficiency can affect women in their 20s and 30s, though this is less common.

Many women in their early 40s — and their partners — don't recognise perimenopause because symptoms get attributed to stress, depression, or relationship difficulty. If she's experiencing mood changes, cycle irregularity, sleep disruption, or symptoms that don't have another clear explanation, perimenopause is worth raising with a GP.